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Quaternary ammonium functionalized cross-linked polyalkylsiloxanes with anti-fouling activity

  • US 8,372,384 B2
  • Filed: 01/07/2008
  • Issued: 02/12/2013
  • Est. Priority Date: 01/08/2007
  • Status: Expired due to Fees
First Claim
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1. A polymeric material formed by reacting a mixture comprising:

  • (a) alkoxysilyl functionalized quaternary amine, wherein the alkoxysilyl functionalized quaternary amine comprises alkoxysilyl functionalized quaternary amine having an N—

    (C16-C20)-n-alkyl-N,N-dimethylamino group;

    (b) silanol terminated polysiloxane; and

    (c) trifunctional silane, tetra-functional silane, or a mixture thereof;

    wherein the mixture comprises about 0.001 to 0.05 moles of the alkoxysilyl functionalized quaternary amine per 100 gm of the silanol terminated polysiloxane.

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